BetterGrades Precalculus · Unit 2 · Assessment

Unit 2 Investigation

A multistage representation and verification task.

investigation

5 concrete stages

A multistage representation and verification task.

Investigation rubric

represent the situation
perform valid mathematical work
interpret the result
verify with a second representation

Assessment

Complete every required response

Item 101

Explain why this conclusion is valid: $C(h)=18+7h$ dollars. Use the foundation problem as evidence: A rental costs $\$18$ plus $\$7$ per hour.

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Item 202

Explain why this conclusion is valid: $14$ . Use the foundation problem as evidence: For $f(x)=2x^2-3x,$ find $f(-2)$ .

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Item 303

Write a short verification checklist for words, tables, graphs, and formulas, then apply it to one worked example from this lesson.

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Item 404

Write a short verification checklist for domain from context, then apply it to one worked example from this lesson.

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Item 505

Write a short verification checklist for piecewise-defined functions, then apply it to one worked example from this lesson.

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